Finding the Fourth Proportional to 12,201,210.21, 16,837,979.97 and 6,694,583.60
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Solution
The fourth proportional to 12,201,210.21, 16,837,979.97 and 6,694,583.60 is: 9,238,695.39
Step by Step Solution
- Step 1: Write the proportion equation
12,201,210.21 : 16,837,979.97 = 6,694,583.60 : x - Step 2: Convert to fraction form
12,201,210.21/16,837,979.97 = 6,694,583.60/x - Step 3: Cross multiply
12,201,210.21x = 16,837,979.97 × 6,694,583.60 - Step 4: Simplify right side
12,201,210.21x = 112,723,264,564,290.48 - Step 5: Solve for x
x = 112,723,264,564,290.48/12,201,210.21 - Step 6: Final answer
x = 9,238,695.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.